Role of samarium additions on the shape memory behavior of iron based alloys |
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| Authors: | R.A. Shakoor F. Ahmad KhalidKisuk Kang |
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| Affiliation: | a Faculty of Materials Science and Engineering, GIK Institute of Engineering Sciences and Technology, Pakistan
b Advanced Energy Materials Laboratory, Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea |
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| Abstract: | The effect of samarium contents on shape memory behavior of iron based shape memory alloys has been studied. It is found that the strength of the alloys increases with the increase in samarium contents. This effect can be attributed to the solid solution strengthening of austenite by samarium addition. It is also noticed that the shape memory effect increases with the increase in samarium contents. This improvement in shape memory effect presumably can be regarded as the effect of improvement in strength, increase in c/a ratio and obstruction of nucleation of ? in the microstructure. |
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| Keywords: | Shape memory effect Samarium Solid solution hardening Training Martensite Austenite |
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